PODDAR, J.; HOSSAIN, T. Fourier Transform Infrared (FT -IR) Spectroscopic Studies of Bangladeshi Coals. Chemical Engineering Research Bulletin, [S. l.], v. 11, p. 51–62, 2008. Disponível em: https://www.banglajol.info/index.php/CERB/article/view/1486. Acesso em: 28 mar. 2024.